參數(shù)資料
型號(hào): PIC17C43
英文描述: PIC17C42/42A/43/44/CR42A/CR43 Datasheet
中文描述: PIC17C42/42A/43/44/CR42A/CR43數(shù)據(jù)表
文件頁(yè)數(shù): 5/71頁(yè)
文件大?。?/td> 1173K
代理商: PIC17C43
1996 Microchip Technology Inc.
DS30412C-page 13
PIC17C4X
PORTD is a bi-directional I/O Port.
RD0/AD8
40
43
15
I/O
TTL
This is also the upper byte of the 16-bit system bus in
microprocessor mode or extended microprocessor mode
or extended microcontroller mode. In multiplexed system
bus conguration these pins are address output as well
as data input or output.
RD1/AD9
39
42
14
I/O
TTL
RD2/AD10
38
41
13
I/O
TTL
RD3/AD11
37
40
12
I/O
TTL
RD4/AD12
36
39
11
I/O
TTL
RD5/AD13
35
38
10
I/O
TTL
RD6/AD14
34
37
9
I/O
TTL
RD7/AD15
33
36
8
I/O
TTL
PORTE is a bi-directional I/O Port.
RE0/ALE
30
32
4
I/O
TTL
In microprocessor mode or extended microcontroller
mode, it is the Address Latch Enable (ALE) output.
Address should be latched on the falling edge of ALE
output.
RE1/OE
29
31
3
I/O
TTL
In microprocessor or extended microcontroller mode, it is
the Output Enable (OE) control output (active low).
RE2/WR
28
30
2
I/O
TTL
In microprocessor or extended microcontroller mode, it is
the Write Enable (WR) control output (active low).
TEST
27
29
1
I
ST
Test mode selection control input. Always tie to VSS for nor-
mal operation.
VSS
10,
31
11,
12,
33, 34
5, 6,
27, 28
P
Ground reference for logic and I/O pins.
VDD
1
1, 44
16, 17
P
Positive supply for logic and I/O pins.
TABLE 3-1:
PINOUT DESCRIPTIONS
Name
DIP
No.
PLCC
No.
QFP
No.
I/O/P
Type
Buffer
Type
Description
Legend: I = Input only; O = Output only; I/O = Input/Output; P = Power; — = Not Used; TTL = TTL input;
ST = Schmitt Trigger input.
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PIC17C43-16/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU OTP 17C43 DIP40